Red Hat Cluster for Enterprise Linux 5 Configuration page 24

• The Cluster Name text box displays the cluster name; it does not accept a cluster name
change. You cannot change the cluster name. The only way to change the name of a
Red Hat cluster is to create a new cluster configuration with the new name.
• The Configuration Version value is set to
ted each time you modify your cluster configuration. However, if you need to set it to an-
other value, you can specify it at the Configuration Version text box.
• You can enter advanced cluster properties by clicking Show advanced cluster proper-
ties. Clicking Show advanced cluster properties reveals a list of advanced properties.
You can click any advanced property for online help about the property.
Enter the values required and click Apply for changes to take effect.
2. Fence tab — This tab displays the Fence Daemon Properties parameters: Post-Fail
Delay and Post-Join Delay. The parameters are summarized as follows:
• The Post-Fail Delay parameter is the number of seconds the fence daemon (
waits before fencing a node (a member of the fence domain) after the node has failed.
The Post-Fail Delay default value is
work performance.
• The Post-Join Delay parameter is the number of seconds the fence daemon (
waits before fencing a node after the node joins the fence domain. The Post-Join
Delay default value is
seconds, but can vary according to cluster and network performance.
Enter values required and Click Apply for changes to take effect.
Note
For more information about Post-Join Delay and Post-Fail Delay, refer to the
fenced(8) man page.
3. Multicast tab — This tab displays the Multicast Configuration parameters: Let cluster
choose the multicast address and Specify the multicast address manually. Red Hat
Cluster software chooses a multicast address for cluster management communication
among cluster nodes; therefore, the default setting is Let cluster choose the multicast
address. If you need to use a specific multicast address, click Specify the multicast ad-
dress manually, enter a multicast address into the text box, and click Apply for changes to
take effect.
4. Quorum Partition tab — This tab displays the Quorum Partition Configuration paramet-
ers: Do not use a Quorum Partition and Use a Quorum Partition. The default setting is
Do not use a Quorum Partition. If you need to use a quorum disk, click Use a Quorum
Partition, enter quorum disk parameters, and click Apply for changes to take effect.
4. Global Cluster Properties
by default and is automatically incremen-
1
. Its value may be varied to suit cluster and net-
0
. A typical setting for Post-Join Delay is between 20 and 30
3
16
)
fenced
)
fenced